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An Eugeneodontid Elasmobranch from the Late Paleozoic of Kansas

Hans-Peter Schultze and Ronald R. West
Journal of Paleontology
Vol. 70, No. 1 (Jan., 1996), pp. 162-165
Published by: Paleontological Society
Stable URL: http://www.jstor.org/stable/1306378
Page Count: 4
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An Eugeneodontid Elasmobranch from the Late Paleozoic of Kansas
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Abstract

A tooth battery, palatoquadrate, and a gill-arch element of Bobbodus schaefferi were collected from Late Pennsylvanian/Early Permian (Asselian) rocks near Manhattan, Kansas. Depending on the placement of the Pennsylvanian--Permian boundary, this specimen extends the upper limit of the species from the Virgilian (Gzelian) into the Gearyan (Asselian). The new range thus is Kasimovian to Asselian, a 15 my interval. Based on features of the palatoquadrate, the diagnoses of the order Eugeneodontida and the superfamily Caseodontoidea are revised. Bobbodus is the most primitive genus of the order Eugeneodontida.

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